Which is bigger, the Seiko Prospex Sea Save the Ocean Special Edition or the WISE AD8 Chronograph?

The Seiko Prospex Sea Save the Ocean Special Edition wears larger at 45mm versus 40mm for the WISE AD8 Chronograph — a 5mm difference across the dial.

Which has better water resistance, the Seiko Prospex Sea Save the Ocean Special Edition or the WISE AD8 Chronograph?

The Seiko Prospex Sea Save the Ocean Special Edition is rated to 200m versus 100m for the WISE AD8 Chronograph.

Which has a longer power reserve, the Seiko Prospex Sea Save the Ocean Special Edition or the WISE AD8 Chronograph?

The WISE AD8 Chronograph carries a 45-hour power reserve against 41 hours on the Seiko Prospex Sea Save the Ocean Special Edition.

What movement does the Seiko Prospex Sea Save the Ocean Special Edition run compared to the WISE AD8 Chronograph?

Both watches run automatic movements — the Seiko Prospex Sea Save the Ocean Special Edition uses the 4R36 and the WISE AD8 Chronograph uses the NE86.

Side by side

Seiko Prospex Sea Save the Ocean Special EditionvsWISE AD8 Chronograph

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Seiko Prospex Sea Save the Ocean Special Edition

srpf77

MSRP $625

WISE AD8 Chronograph

At a glance

13 of 29 specs differ

Diameter

Prospex Sea Save the Ocean Special Edition45mm

AD8 Chronograph40mm

Power Reserve

Prospex Sea Save the Ocean Special Edition41h

AD8 Chronograph45h

Water Resistance

Prospex Sea Save the Ocean Special Edition200m

AD8 Chronograph100m

MSRP

Prospex Sea Save the Ocean Special Edition$625

AD8 Chronograph—

Full specifications

Case

6 specs

Crystal & Dial

3 specs

AR Coating

Anti-reflective coating on inner surface

Inner

Dial Color

Black

Light pink gradient grey

Lume

LumiBrite on hands, index(es) and bezel

None

Movement

3 specs

Caliber

4R36

NE86

Power Reserve

41h

45h

Jewels

Pricing

1 specs

MSRP

$625

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